Intel Motherboards - Phantom z390 SLI/ac

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Phantom z390 SLI/ac

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=11113
Printed Date: 05 Aug 2025 at 12:55pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Phantom z390 SLI/ac

Posted By: gkeenan77
Subject: Phantom z390 SLI/ac
Date Posted: 16 Mar 2019 at 1:42pm

Putting together a new build. Completed my pre-build (before case install). The unit will not post on the computer screen. However, I cannot find any error codes on the MOBO. How do I trouble shoot this issue without an LED?

Replies:

Posted By: ASRock_TSD
Date Posted: 19 Mar 2019 at 9:57am

Dear Gkeenan77,

Thank you for choosing ASRock.

Regarding your case, could you provide your detail configuration for us to clarify?
We also provide some suggestion for you to try.
1.     Clear CMOS to load BIOS default.
2.     Only install CPU and one stick memory to check.
3.     Install one stick memory at each memory slots to try.
4.     Reinstall CPU and check if CPU socket pin is fine.

Thank you!
Yours truly,
ASRock TSD